
<h1>你好   世界! hello my dear girl！</h1>
  
<h2>你好   世界！hello my dear girl!</h2>
  
<h3>你好   世界！hello my dear girl!</h3>
  
<h4>你好   世界！hello my dear girl!</h4>

<h5>你好   世界！hello my dear girl!</h5>

<h6>你好   世界！hello my dear girl!</h6>
<p>这是一个帅哥写的自然段</p>
<p>这是一个帅哥写的自然段,<em>强调</em>比较</p>

<ul>


     <li>项目朱峰</li>
     <li>项目猪粪</li>
     <li>第三个朱峰</li>

</ul>

<ol>
     <li>项目朱峰</li>
     <li>项目猪粪</li>
     <li>第三个朱峰</li>

</ol>

<html>
                   <title>标题</title>
                   <style type = "text/css">
                   div{
                        width:100px;
                        height:100px;
                        margin:20px;
                        background:green;
                      }
                  #zzn {background:red;}
                  #zzz {background:blue;}
            </style>
  </head>
  <body>
    <h1>内容</h1>

       <input type = "button" value = "按钮/">
       <input type = "text" placeholder = "输入密码"/>
  <br/>
       <input type = "radio"/>男
       <input type = "radio"/>女
  <hr/>
       <input type = "checkbox"/>排球
       
       <input type = "checkbox"/>羽毛球
       
       <input type = "checkbox"/>棒球
       
       <input type = "checkbox"/>football
  <hr/>
  <select>
       <option>大白菜</option>
       <option>老毛桃</option>
       <option>电脑店</option>

  </select>  
  <input type = "button" onclick = "myalert()" value = "警告/">
  <script>
       function myalert(){

              window.alert("帅哥,你好啊！")


}
  </script>
       
      <body>
                 <div></div>
                 <div id = "zzn"></div>
                 <div id = "zzz"></div>



      </body>


 </html>       
